Dont worry, I think we will have another one in the future. But first, I would like to do some research to make it as true a random walk as possible. I would also like to use much larger histories, but this is going to take some work in picking the true histories so that they arent obvious. (If you looked at a 10 year history of your average stock, most traders would know that it is real; simply because they remember the general patterns of the markets over long periods)